Domain wall roughening in disordered media: From local spin dynamics to a continuum description of the interface
M. Jost, K. D. Usadel
Abstract
We study the kinetic roughening of a driven domain wall between spin-up and spin-down domains for a model with non-conserved order parameter and quenched disorder. To understand the scaling behavior of this interface we construct an equation of motion and study it theoretically.
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